diff --git a/ISCamRecorder/ISCamera.cs b/ISCamRecorder/ISCamera.cs
index 72ba49d..cc620b8 100644
--- a/ISCamRecorder/ISCamera.cs
+++ b/ISCamRecorder/ISCamera.cs
@@ -18,6 +18,7 @@
         string _SerialNumber;       // シリアル番号
         VCDButtonProperty _Trigger; // トリガー設定
         FrameRateCounter _Fps = new FrameRateCounter(10);     // フレームレート計測
+        public float FrameRate { get { return _Fps.FrameRate; } }
 
         /// <summary>
         /// コンストラクタ
diff --git a/ISCamRecorder/MainForm.Designer.cs b/ISCamRecorder/MainForm.Designer.cs
index decd744..e02bb7c 100644
--- a/ISCamRecorder/MainForm.Designer.cs
+++ b/ISCamRecorder/MainForm.Designer.cs
@@ -46,6 +46,8 @@
             this.textBox1 = new System.Windows.Forms.TextBox();
             this.label3 = new System.Windows.Forms.Label();
             this.BtnRecodeMovie = new System.Windows.Forms.Button();
+            this.TxtTriggerFPS = new System.Windows.Forms.TextBox();
+            this.label4 = new System.Windows.Forms.Label();
             ((System.ComponentModel.ISupportInitialize)(this.splitContainer1)).BeginInit();
             this.splitContainer1.Panel1.SuspendLayout();
             this.splitContainer1.Panel2.SuspendLayout();
@@ -83,7 +85,7 @@
             // ChkTrigger
             // 
             this.ChkTrigger.AutoSize = true;
-            this.ChkTrigger.Location = new System.Drawing.Point(93, 22);
+            this.ChkTrigger.Location = new System.Drawing.Point(93, 11);
             this.ChkTrigger.Name = "ChkTrigger";
             this.ChkTrigger.Size = new System.Drawing.Size(83, 16);
             this.ChkTrigger.TabIndex = 6;
@@ -347,11 +349,31 @@
             this.BtnRecodeMovie.Text = "動画撮影";
             this.BtnRecodeMovie.UseVisualStyleBackColor = true;
             // 
+            // TxtTriggerFPS
+            // 
+            this.TxtTriggerFPS.Location = new System.Drawing.Point(110, 27);
+            this.TxtTriggerFPS.Name = "TxtTriggerFPS";
+            this.TxtTriggerFPS.Size = new System.Drawing.Size(34, 19);
+            this.TxtTriggerFPS.TabIndex = 16;
+            this.TxtTriggerFPS.Text = "40.0";
+            this.TxtTriggerFPS.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
+            // 
+            // label4
+            // 
+            this.label4.AutoSize = true;
+            this.label4.Location = new System.Drawing.Point(150, 30);
+            this.label4.Name = "label4";
+            this.label4.Size = new System.Drawing.Size(21, 12);
+            this.label4.TabIndex = 17;
+            this.label4.Text = "fps";
+            // 
             // MainForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 12F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(892, 555);
+            this.Controls.Add(this.label4);
+            this.Controls.Add(this.TxtTriggerFPS);
             this.Controls.Add(this.BtnRecodeMovie);
             this.Controls.Add(this.label3);
             this.Controls.Add(this.textBox1);
@@ -423,6 +445,8 @@
         private System.Windows.Forms.TextBox textBox1;
         private System.Windows.Forms.Label label3;
         private System.Windows.Forms.Button BtnRecodeMovie;
+        private System.Windows.Forms.TextBox TxtTriggerFPS;
+        private System.Windows.Forms.Label label4;
     }
 }
 
diff --git a/ISCamRecorder/MainForm.cs b/ISCamRecorder/MainForm.cs
index 8f6bbb5..49edbed 100644
--- a/ISCamRecorder/MainForm.cs
+++ b/ISCamRecorder/MainForm.cs
@@ -12,9 +12,11 @@
 
 namespace ISCamRecorder {
     public partial class MainForm : Form {
-        private System.Threading.Timer _UITimer;
+        private System.Threading.Timer _UITimer;    // UI更新タイマー
         List<ISCamera> _Cameras = new List<ISCamera> ();    // カメラオブジェクト
-        //private Stopwatch _Swatch = new Stopwatch();    // 高精度時間計測
+        bool _ExitSignal = false;       // ソフトウェア終了シグナル
+        Task _TriggerThread;            // トリガースレッド
+        float _TriggerFrameRate = 30.0F;
         private ulong _availablePhysicalMemory; //合計物理メモリ
 
         /// <summary>
@@ -32,14 +34,33 @@
         private void MainForm_Load(object sender, EventArgs e) {
             SetTitle(this.Text);
 
+            // カメラ設定
             _Cameras.Add(new ISCamera(icTop, "9220016"));
             _Cameras.Add(new ISCamera(icLeft, "9220018"));
             _Cameras.Add(new ISCamera(icFront, "9220021"));
             _Cameras.Add(new ISCamera(icRight, "9220025"));
-            //_Swatch.Start();
-
             _Cameras.ForEach(c => c.Connect());
+
+            // タイマー起動
             _UITimer = new System.Threading.Timer(UITimerCB, this, 0, 2000);
+            _TriggerThread = Task.Run(TriggerThread);
+        }
+
+        /// <summary>
+        /// ソフトウェアトリガー生成スレッド
+        /// </summary>
+        private void TriggerThread() {
+            var swatch = new Stopwatch();
+            swatch.Start();
+
+            while (!_ExitSignal) {
+                var interval = (long)(1000F / _TriggerFrameRate);
+                while (!_ExitSignal) {
+                    if (swatch.ElapsedMilliseconds >= interval) break;
+                }
+                swatch.Restart();
+                _Cameras.ForEach(c => c.SWTrigger());
+            }
         }
 
         /// <summary>
@@ -58,13 +79,13 @@
                 this.Invoke((MethodInvoker)delegate { UpdateForm(); });
                 return;
             }
-            //_Cam.ForEach(c => c.SWTrigger());
             TxtTop.Text = $"上方カメラ {_Cameras[0].CameraInfo()}";
             TxtLeft.Text = $"左方カメラ {_Cameras[1].CameraInfo()}";
             TxtFront.Text = $"前方カメラ {_Cameras[2].CameraInfo()}";
             TxtRight.Text = $"右方カメラ {_Cameras[3].CameraInfo()}";
             TotalPhysicalMemory();
             MemoryToUse();
+            _TriggerFrameRate = float.Parse(TxtTriggerFPS.Text);
         }
 
         /// <summary>
@@ -96,7 +117,9 @@
         /// <param name="sender"></param>
         /// <param name="e"></param>
         private void MainForm_FormClosing(object sender, FormClosingEventArgs e) {
+            _ExitSignal = true;
             _UITimer.Dispose();
+            _TriggerThread.Wait();
         }
 
         /// <summary>